3456403 has 2 divisors, whose sum is σ = 3456404. Its totient is φ = 3456402.

The previous prime is 3456379. The next prime is 3456413. The reversal of 3456403 is 3046543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3456403 - 2¹⁷ = 3325331 is a prime.

It is not a weakly prime, because it can be changed into another prime (3456413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1728201 + 1728202.

It is an arithmetic number, because the mean of its divisors is an integer number (1728202).

Almost surely, 2^3456403 is an apocalyptic number.

3456403 is a deficient number, since it is larger than the sum of its proper divisors (1).

3456403 is an equidigital number, since it uses as much as digits as its factorization.

3456403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 3456403 is about 1859.1403927622. The cubic root of 3456403 is about 151.1964024741.

The spelling of 3456403 in words is "three million, four hundred fifty-six thousand, four hundred three".